ABC's "Shark Tank" - Season Five

SHARK TANK - "Episode 507" - Platinum recording artist Brian McKnight sings to the Sharks when he joins an entrepreneurial deejay from San Diego, CA pitching a syndicated radio show specializing in love song dedications; a self-described "beach family" from Huntington Beach, CA hope they won't run into rough waters when pitching the Sharks their distinctive skateboards that glide like a surfboard; a young man from Provo, UT has a big vision for the future with his smartphone QR code-scanning technology; and a father and his two teen-aged daughters invented an easy way to patch small holes in window and door screens. Also, an update on Nathan Holzapfel from Provo, UT and his unique belt with no holes, the Mission Belt, which Daymond John invested in during Season 4, on "Shark Tank," FRIDAY, OCTOBER 11 (9:00-10:01 p.m., ET) on the Disney General Entertainment Content via Getty Images Television Network. (Photo by Kelsey McNeal/Disney General Entertainment Content via Getty Images) R DUB (SUNDAY NITE SLOW JAMS), BRIAN MCKNIGHT